Home » Businesses » Duffy Engineering & Associates Inc.Duffy Engineering & Associates Inc.by Minnesota LocalUnclaimed BusinessAddress350 Highway 10 S, MN, 56304Phone3202817294WebsiteVisit websiteBenton CountyCustomer ReviewsNo approved customer reviews yet.Write a reviewRatingSelect5 stars4 stars3 stars2 stars1 starsDisplay name (shown publicly)Email (optional, never displayed)Your reviewCompanyYour review will be published immediately. Business owners cannot remove reviews. Do not include private information.Publish reviewIs this your business?Sign In or Create Account to ClaimSuggest a CorrectionSend Suggestion